designate/designate/tests/unit/test_metrics/test_metrics.py

110 lines
3.8 KiB
Python

#
# Copyright (C) 2016 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
import mock
import monascastatsd
from designate.metrics import Metrics
from designate.metrics_client import noop
from designate.tests import fixtures
from designate.tests import TestCase
from oslo_config import cfg
from oslo_config import fixture as cfg_fixture
class TestNoopMetrics(TestCase):
def setUp(self):
super(TestCase, self).setUp()
self.stdlog = fixtures.StandardLogging()
self.useFixture(self.stdlog)
self.CONF = self.useFixture(cfg_fixture.Config(cfg.CONF)).conf
self.metrics = Metrics()
self.metrics._client = noop.Client()
def test_noop_metrics_enabled(self):
self.CONF.set_override('enabled', True, 'monasca:statsd')
self.metrics.init()
self.assertIn("Using noop metrics client. Metrics will be ignored.",
self.stdlog.logger.output)
def test_noop_metrics_disabled(self):
with mock.patch('designate.metrics_client.noop.LOG') as log_mock:
self.metrics.init()
log_mock.error.assert_not_called()
def test_noop_metrics_client_getters(self):
self.CONF.set_override('enabled', True, 'monasca:statsd')
self.metrics.init()
self.assertIsInstance(self.metrics.counter('name'), noop.NoopCounter)
self.assertIsInstance(self.metrics.gauge(), noop.NoopGauge)
self.assertIsInstance(self.metrics.timer(), noop.NoopTimer)
self.assertIsNotNone(self.metrics.timed.__self__)
def test_noop_metrics_client_timed(self):
timer = self.metrics._client.get_timer()
@timer.timed('timed.test')
def func(a):
return a
result = func(1)
self.assertEqual(result, 1)
class TestMonascaMetrics(TestCase):
def setUp(self):
super(TestCase, self).setUp()
self.stdlog = fixtures.StandardLogging()
self.useFixture(self.stdlog)
self.CONF = self.useFixture(cfg_fixture.Config(cfg.CONF)).conf
self.metrics = Metrics()
def test_monasca_metrics_enabled(self):
self.CONF.set_override('enabled', True, 'monasca:statsd')
self.metrics.init()
self.assertIn("Statsd reports to 127.0.0.1 8125",
self.stdlog.logger.output)
def test_monasca_metrics_disabled(self):
self.metrics.init()
self.assertIn(
"Statsd disabled",
self.stdlog.logger.output)
@mock.patch('socket.socket.connect')
@mock.patch('socket.socket.send')
def test_monasca_metrics_client_getters(self, conn_mock, send_mock):
self.CONF.set_override('enabled', True, 'monasca:statsd')
self.metrics.init()
self.assertIsInstance(self.metrics.counter('name'),
monascastatsd.counter.Counter)
self.assertIsInstance(self.metrics.gauge(),
monascastatsd.gauge.Gauge)
self.assertIsInstance(self.metrics.timer(),
monascastatsd.timer.Timer)
self.assertIsNotNone(self.metrics.timed.__self__)
def test_monasca_metrics_client_timed(self):
timer = self.metrics._client.get_timer()
@timer.timed('timed.test')
def func(a):
return a
result = func(1)
self.assertEqual(result, 1)